Gce Model Questions Vol1 2022 Agricultural Science Question 14
Practice objective / multiple choice question 14 from the 2022 Gce Model Questions Vol1 Agricultural Science examination.
A farmer practices a two‑year rotation of wheat followed by soybean on a 5‑ha field. Wheat yields 3.5\,t\,ha\(^{-1}\) and removes 120\,kg\,N per tonne of grain. Soybean yields 2.8\,t\,ha\(^{-1}\), fixes 80\,kg\,N per tonne of grain and removes 30\,kg\,N per tonne of grain from the soil. To keep the soil nitrogen balance neutral over the rotation, how many kilograms of nitrogen fertilizer should be applied per hectare in the wheat year?
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About This Question
This is Gce Model Questions Vol1 2022 Agricultural Science Question 14. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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